Carrier contact check: is this email or phone really the carrier's?
Most double-brokering and identity-theft losses start with a fake contact: a look-alike domain, a Gmail address or a new phone number posing as a real carrier. Enter the USDOT or MC number and what you were given.
Decision aid, not legal advice. FMCSA records can be out of date: a mismatch is a reason to call, not proof of fraud.